<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>子组件传值父组件</title>
    <script src="../../vue.js"></script>
</head>
<body>
    <div id="app">
        <parent></parent>
    </div>
    <template id="child">
        <div>
            <button @click="click">Send</button>
            <input type="text" v-model="message">
        </div>

    </template> 
    <script>
        Vue.component('parent',{
            template:'<div><child @childFn="transContent"></child>'+'子组件传来的值 :{{message}}</div>',
            data(){
                return {
                    message:''
                }
            },
            methods:{
                transContent(payload){
                    this.message=payload
                }
            }
        })

        Vue.component('child',{
            template:'#child',
            data(){
                return{
                    message:"子组件传来的消息"
                }
            },
            methods:{
                click(){
                    this.$emit('childFn',this.message)
                }
            }
        })

        var vm=new Vue({
            el:"#app"
        })



    </script>
</body>
</html>